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SM i B421

B421

TABLE OF CONTENTS

1 OVERALL MACHINE INFORMATION .............................................1

1.1 MECHANICAL COMPONENT LAYOUT ......................................................1

1.2 ELECTRICAL COMPONENT LAYOUT........................................................ 1

1.3 DRIVE LAYOUT ...........................................................................................2

1.4 OVERALL ELECTRICAL CIRCUIT ..............................................................2

1.5 DETAILED DESCRIPTIONS ........................................................................ 3

1.5.1 PAPER FEED AND SEPARATION ..................................................... 3

1.6 PAPER LIFT MECHANISM ..........................................................................3

1.7 PAPER END DETECTION ...........................................................................4

1.8 SIDE AND END FENCES ............................................................................5

2 REPLACEMENT AND ADJUSTMENT.............................................6

2.1 FEED ROLLER AND FRICTION PAD.......................................................... 6

2.2 REMOVING THE PAPER TRAY UNIT FROM THE COPIER.......................6

If Optional Tray Heater Is Not Installed....................................................6

If Optional Tray Heater Is Installed ..........................................................6

2.3 SENSORS.................................................................................................... 7

2.4 DRIVE SECTION..........................................................................................8

2.4.1 DRIVE BLOCK ....................................................................................8

2.4.2 PAPER FEED MOTOR........................................................................8

2.4.3 PAPER FEED CLUTCH ......................................................................9

2.4.4 TRAY MAIN BOARD (• 2.4.1) ............................................................9

Ricoh aficio 1013 Service Manual

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